2-butan-2-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

4,5-dihydroxy-1,3-dimethyl-4,5-diphenylimidazolidin-2-one

4-(2-oxopropyl)benzo[a]phenalen-7-one

4,4-二甲基-2,6-二氧代哌啶-3,5-二甲腈

2-amino-5-cyano-4,4-dimethyl-6-oxo-3,5-dihydropyridine-3-carboxamide